package demo04;

/**
 * @author JYH
 * @version 1.0
 * @date 2022/10/31 15:11
 */
public class Card{
    private double balance;

    public double getBalance() {
        return balance;
    }

    public void setBalance(double balance) {
        this.balance = balance;
    }

    public Card(double balance) {
        this.balance = balance;
    }

}
